*{
    margin: 0;
    padding: 0;
}
.wrap{
    width: 1000px;
    margin: 0 auto;
    position: relative;
}
.top{
    height: 30px;
    background-color: #f5f5f5;
}
.header{
    height: 92px;
}
.nav{
    height: 36px;
    background-color: #60bff2;
}
.banner{}
.content{}
.foot{}